Vb net combo box validating

27-Oct-2020 18:40

Although the programmer will obviously take every precaution to ensure the correct operation of the program, and will attempt to eliminate bugs that could cause a problem through a rigorous process of testing, they have no real control over mistakes made by the user during data entry.Nor can they guarantee that any data files used by the program will be free of errors and in the correct format.

The Rad Combo Box validation is activated only by those validators whose Validation Group property matches the Validation Group property of the Rad Combo Box.Data validation rules can also make an application more user friendly, since they enable the program to warn the user immediately when there is a problem rather than simply allowing them to continue entering data until the program crashes or some other problem occurs.

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